2022年6月19日 · I have had success with IMR-4198 in 223 AR's, but the loads must be selective high end loads. Several years ago there was a magazine article with loads for AR's and how their sourced the data for each load. One load they had that was interesting was a 62 grain FMJ Hornady bullet with 21.0 grains of IMR-4198.

2011年9月27日 · I have been re-loading bullets for my AR-15 in .223 for 2 weeks now and am confused by the 14 bullet weights just on the chart for one powder manufacturer. I have been loading the 55 grain weight for target shooting and am interested in finding out what weight, and why, others use in the .223? I realize that the .223 is used in other platforms.

2016年8月18日 · Granted that the days of surplus WC844, WC846, and 2230-S may be over, sooner of later, the government will have to get ride of stores of older 223 ammo, and since it can not longer be sold as functioning ammo, it has to be pulled down to get ride of it, and where a great deal of surplus powders come from (if not just over run powder like the ...

2016年9月21日 · CFE 223 and 55 gr fmj are a interesting combo. to get the same velocity other powder i have used, tac and 2230 i have to use 8-10% more powder. also the tac and 2230 loads in 16 and 20 barrels in my AR's only varied about 100 fps while the cfe was 250 -300 fps difference between the two barrel lengths.

2014年10月17日 · My 77gr .223 Loads: 77gr Sierra Match King or 77gr Nosler Custom Competition HPBT 23.5gr 8208xbr Remington 7.5 primer LC matching headstamp Brass 2.260" oal 77gr Sierra Match King or 77gr Nosler Custom Competition HPBT (Also works with Hornady 75gr Match HPBT, however my rifles don't like them …

2010年10月24日 · AR-15 AK-47 Handgun Precision Rifles Armory Training Competitive Shooting General Outdoors Archery Hometown Industry About AR15.COM AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types.

2020年9月10日 · I have 15K of CCI 400 and having other SR primers don't need to use these in .223, been using WSR almost exclusively since started reloading for .223. No problems ever with WSR. I'll experiment with the 400's next time I do .223 but the CCI 400 are supposedly identical to the CCI 550 SPM primers, so I can use the 400's for 357 magnum, etc

2017年1月8日 · The velocity gain will most likely be negligible in .223. "Rule of thumb of is a 6% minimum gain before making a change to any particular Ackley" - An article from Precision Shooting mag on AI. Posted: 1/12/2017 12:19:30 AM EDT

2009年6月26日 · All will be more costly than the basic .223 equivalent since they are more specialty and therefore high cost to manufacture or configure. Check out the other calibur formums, both off this site and on. The AR-10/.308 AR platforms use a different sized lower due to the round being longer than would fit in a .223 magazine/mag well.

2010年3月11日 · Most will shoot both but the 5.56 does have more pressure and .223 only AR's come with a warning about shooting 5.56mm through them from my understanding All civ ARs are non-mil spec. When it comes to the chamber, I doubt Colt's M4LE's et al use a different spec than their military stuff do when they mark them 5,56.